How do I … How do I …

How do I …

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  • How do I add a cursor to the phase trace of a Bode plot?

    This works with .fra, and .ac. 1. Once you have the bode plot, place the mouse cursor over the magnitude (left) axis markings, it should turn to a ruler pointer. 2. Right-click. 3. Click Don't plot…
  • How do I change font size for a symbol pin?

    There is no font size setting in symbol pin attributes (PINATTR), just justification and offset. The text size in settings applies to the symbol when it is placed in a schematic, not the symbol editor…
  • How do I find the name of a node/net or highlight a net?

    There are several ways. Hover over the node of interest. The node name appears in the status bar at the bottom of the LTspice window. Right-click the node/net. Choose Highlight Net. Press Ctrl…
  • How do I go back to the legacy (pre-LTspice 24) LTspice GUI?

    There are several options to return to the LTspice legacy (pre-LTspice 24) look. Legacy Icon, legacy keyboard shortcuts, and backgrounds are all available in Settings. Settings > Operation > Toolbar…
  • How do I save my custom keyboard shortcuts?

    Overview Although earlier versions of LTspice allowed you to change keyboard shortcuts, there was no easy way to export the entire keyboard map to share or use in another instance of LTspice, nor was…
  • How do I simulate transmission line dispersion in LTspice?

    You can use the lossy transmission line component in LTspice, as described in the Help. Or you could make your own as described here: https://www.analog.com/en/resources/technical-articles/an-improved…
  • How to Generate a Bode Plot for an SMPS in LTspice

    Overview Bode plots are an important tool used in the design of control loops—including control loops for switch mode power supplies (SMPS). To simplify the creation of Bode plots, LTspice includes a…
  • How to add a Toshiba MOS Model to an LTspice Schematic

    So, you have an encrypted LTspice model for a Toshiba MOS device and you want to import that into LTspice. What do you do? Step 1: Create a schematic file, save it, and place the model file in that directory…
  • Fix a DLL Install Error

    If you get this error: Try an alternate installation package available here: Run the following installation (make sure it is from scratch on a clean machine: no AppData/Local/LTspice nor AppData…
  • Use Bus Notation for Component Arrays

    Array of components not working in 24.x Hi! In LTSpice 17.4 I have used an undocumented function to easily create a lumped network. The attached circuit is to simulate cable resonance. Please see…